renal ultrasonography

例句：

1. 1. The renal ultrasonography showed the kidneys to be enlarged.
   肾超声波检查显示肾脏肿大。
2. 2. He underwent a renal ultrasonography to check for any abnormalities in his kidneys.
   他接受了肾超声波检查，以检查他的肾脏是否有异常。
3. 3. Renal ultrasonography is an important tool for assessing kidney function.
   肾超声波检查是评估肾脏功能的重要工具。